Granted Patent
Utility
US 4,464,613 · App. 06/467,522
Blocking oscillator for a reciprocating electromagnetic actuator
Inventor:
Ralph V. Brown
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Feb 17, 1983
Inventor
Ralph V. Brown
Assignee (at issue)
Facet Enterprises, Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.